# GoPro Metadata Format Parser: mapping GPMD telemetry

> GoPro Metadata Format Parser maps the GPMD telemetry stream embedded in GoPro Hero 5 MP4 recordings and provides Go readers and conversion commands. The notes describe big-endian values, four-byte alignment and labels for GPS, gyroscope, accelerometer and temperature samples.

- Type: Case study
- Targets: Firmware
- Category: Independent reconstruction cases
- Relationship: Independent reconstruction project
- Sources reviewed: 2026-11-09
- Added to the catalog: 2026-11-09
- Original resource: <https://github.com/stilldavid/gopro-utils>
- Primary source: <https://github.com/stilldavid/gopro-utils/blob/f0186d2edd3443dbc1ed38deeaa6ac19aa063ff9/README.md>
- Catalog page: <https://awesomerea.org/resources/gopro-gpmd-format-case/>
- Record JSON: <https://awesomerea.org/resources/gopro-gpmd-format-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/gopro-gpmd-format-case/index.md)

## Requirements & limits

- **Prerequisites:** Use an MP4 recording containing GPMD metadata, such as a GoPro Hero 5 recording made with GPS enabled.
- **Prerequisites:** Extract the metadata stream with ffmpeg before using the parsers.
- **License:** BSD-2-Clause license.

## Primary sources

1. <https://github.com/stilldavid/gopro-utils/blob/f0186d2edd3443dbc1ed38deeaa6ac19aa063ff9/README.md>

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## About this entry

The description was reviewed against primary sources.
Original editorial content: MIT. Linked projects, papers and assets retain their own rights and licenses.